CN101781534A - Automobile hot melt butyl sealant and manufacturing method thereof - Google Patents
Automobile hot melt butyl sealant and manufacturing method thereof Download PDFInfo
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- CN101781534A CN101781534A CN 201010117857 CN201010117857A CN101781534A CN 101781534 A CN101781534 A CN 101781534A CN 201010117857 CN201010117857 CN 201010117857 CN 201010117857 A CN201010117857 A CN 201010117857A CN 101781534 A CN101781534 A CN 101781534A
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- butyl sealant
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Abstract
The invention relates to a hot melt butyl sealant used on an automobile and a manufacturing method thereof. The invention aims to provide a hot melt butyl sealant which should have the advantages of good water resistance and weathering resistance, strong adhesiveness, excellent sealability and convenient use. The manufacturing method of a waterproof adhesive should be simple and has a low cost. The technical scheme provided by the invention is that: the automobile hot melt butyl sealant comprises the following components in part by weight: 5 to 30 parts of butyl rubber, 10 to 20 parts of C5 resin, 10 to 40 parts of poly-isobutylene, 30 to 50 parts of filing material and 1 to 5 parts of pigment, wherein the filling material is calcium carbonate or talcpowder, and the pigment is carbon black. The manufacturing method of the automobile hot melt butyl sealant comprises the following steps of: firstly, plasticizing the butyl rubber for 50 to 70 minutes on a kneading machine; secondly, adding the C5 resin, the poly-isobutylene, the calcium carbonate and the pigment into the butyl rubber; and finally mixing and stirring the components sufficiently to obtain the hot melt butyl sealant.
Description
Technical field
The present invention relates to butyl hot-melt sealant and the manufacture method thereof used on a kind of automobile.
Background technology
Present motor-vehicle glass window adopts the electric opening structure mostly; In this structure, the motor and the corresponding running gear that drive the window glass motion are fixed in the car door usually.Because rainy day, rainwater can drop down, need the effective waterproof construction of design, to avoid producing electric leakage and short trouble under glass.The manufacturing processed of conventional automobile waterproof construction is: a waterproof membrane 3 (as shown in Figure 1) is pasted in the inboard at car door, whole edge around the waterproof membrane 3 all is bonded on the car door, window lifting motor 4, centrally controrlled locking system 2 intactly coated block (steam can't be invaded), and then the complete cover cap of finishing material on waterproof membrane 3.Yet, owing to be to adopt the butyl adhesive tape (general adhesive tape cross section is that 5mm * 5mm) carries out adhering and sealing between existing waterproof membrane 3 and the car door; The defective of this bonded structure is that cementability is not strong, is difficult to avoid the intrusion of water vapor; And need handwork, and operation inconvenience and cost are higher, and also easy compression set (about about 50 ℃ of temperature limit) can't be satisfied the processing requirement of modern cars streamline.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that overcomes the above-mentioned background technology, a kind of butyl hot-melt sealant and making method of automobile specified are provided, this butyl hot-melt sealant should water tolerance and good weatherability, tack is strong, sealing property is good, and easy to use; This waterproof glue making method should be made simply, cost is lower.
Technical scheme provided by the invention is:
Automobile hot melt butyl sealant comprises following composition and corresponding weight part:
Isoprene-isobutylene rubber 5-30 part
Carbon 5 resin 10-20 parts
Polyisobutene 10-40 part
Filler 30-50 part.
Described filler is lime carbonate or talcum powder.
Also add pigment 1-5 part.
Described pigment is a carbon black.
The manufacture method of automobile hot melt butyl sealant was moulded isoprene-isobutylene rubber experienced 50-70 minute earlier on kneader, add carbon 5 resins, polyisobutene, lime carbonate and pigment then, abundant mixing stirring back.
The product that the present invention obtains is the colloid of toughness, the surrounding that can be applied to waterproof membrane by the extrusion equipment of routine is along forming end to end closed level, then operator paste the car door inboard to waterproof membrane under certain temperature (25-35 ℃), and motor and electric components cover cap is airtight to resist the erosion of steam.
The product that the present invention obtains, the technical indicator after check is as follows:
1, penetration degree: 90-100dmm (according to ASTM D217 standard test);
2, density: 1.25 ± 0.05g/ml (according to ASTM D71 standard test);
3, adhesive power; 150-300kpa;
4, shearing resistance: 〉=20kpa;
5, tensile strength: 10-20Mpa;
6, solid content: 99.9%;
7, unit elongation: 〉=800%;
8, high thermal resistance: under 130 ℃, do not trickle, not embrittlement;
9, seam displacement capacity 30%;
10, application of temperature-40 is ℃-121 ℃.
The invention has the beneficial effects as follows: than original butyl adhesive tape sealing, product provided by the invention has better adhesive power, and various material surfaces (comprising film and foaming thing) are all had good adhesion property; And weathering resistance and water tolerance are significantly improved, and applied temperature range is significantly enlarged; Thereby waterproof and leak resistance be significantly improved, for a long time still can vibration resistance and impact; Can be used as broad-spectrum automobile waterproof, resistance to air loss pointing.Butyl hot-melt sealant making method provided by the invention has that technology is simple, making and characteristics easy to use, helps reducing product cost and promotes the use of.
Description of drawings
Fig. 1 is in the car door manufacturing processed, pastes the synoptic diagram of waterproofing membrane.
Embodiment
The present invention is with isoprene-isobutylene rubber (preferred mooney viscosity ML1+8,125 ℃ 51 ± 5) blending resin (preferred carbon 5 resins), filler and various auxiliary agent, makes the colloid with thickness performance.The viscosity that can regulate product by the ratio of regulating rubber and resin in the manufacturing processed.Rubber ratio increase then denseness is higher, and elasticity is better, but influences the sticking construction of film, and cost is higher; The higher then viscosity of resin ratio is higher, and the sticking construction effect of film is also bad; Arrive to a certain degree but the ratio of resin is little, then viscosity is too little, does not have sealing function.
Therefore, in 100 weight parts, isoprene-isobutylene rubber content should be 5-30 part, and carbon 5 resins are 10-20 part; And add the polyisobutene plasto rubber, so that add filler, improve the tack of product; The addition of polyisobutene should be crossed softening at least not enough, just sticking bad 10-40 part; Cross too softly at most, too sticking, influence processing characteristics.
Dose appropriate filler, can improve the sealing property of product and reduce cost, under the situation that processing condition allow, it is favourable suitably increasing its content.The filler selection do as one likes can requirement, operating procedure, cost and decide.Generally can adopt lime carbonate, talcum powder etc., maximum addition should be controlled at 30-50 part.
The manufacture method of seal gum provided by the invention, be that the isoprene-isobutylene rubber of 5-30 weight part was moulded on kneader experienced 50-70 minute, add carbon 5 resins of 10-20 weight part, the polyisobutene of 10-40 weight part, the lime carbonate and an amount of pigment of 30-50 weight part then, to mixing even, stir.
Specific embodiment
Composition | Embodiment 1 | |
|
Isoprene-isobutylene rubber | ??30 | ??20 | ??10 |
Carbon 5 resins | ??12 | ??16 | ??20 |
Composition | Embodiment 1 | |
|
Polyisobutene | ??10 | ??25 | ??40 |
Filler | Lime carbonate 50 | Lime carbonate 40 | Talcum powder 30 |
Carbon black | ??1 | ??2 | ??3 |
Data are weight part in the table.
The manufacture method of above-mentioned three embodiment is: isoprene-isobutylene rubber moulded on kneader practiced 50,60,70 minutes respectively, add carbon 5 resins, polyisobutene, lime carbonate or talcum powder then, and pigment, to mixing even, stir.
The test result of above-mentioned three embodiment is as follows:
Index name | Embodiment 1 | |
|
Solids content % | ??99.9 | ??99.9 | ??99.9 |
Shearing resistance: | ??25kpa | ??20kpa | ??16kpa |
Tensile strength | ??18mpa | ??16mpa | ??9mpa |
Unit elongation | ??1200% | ??900% | ??800% |
High thermal resistance | ??138℃ | ??130℃ | ??100℃ |
The seam displacement capacity | ??30% | ??30% | ??35% |
Adhesive power | ??330kpa | ??260kpa | ??240kpa |
Conclusion:
Embodiment 1: rubber content is higher, and resin is less, and filler is more; Therefore adhesive power is bigger, and construction is used inconvenient.
Embodiment 2: rubber content is moderate, and resin is moderate; Therefore adhesive power is better, and it is easy to use to construct.
Embodiment 3: rubber content is on the low side; Resin is more; Adhesive power is better, so shearing resistance, and tensile strength is not enough, and the temperature tolerance that easily trickles is poor.
Claims (5)
1. automobile hot melt butyl sealant comprises following composition and corresponding weight part:
Isoprene-isobutylene rubber 5-30 part
Carbon 5 resin 10-20 parts
Polyisobutene 10-40 part
Filler 30-50 part.
2. automobile hot melt butyl sealant according to claim 1 is characterized in that described filler is lime carbonate or talcum powder.
3. automobile hot melt butyl sealant according to claim 1 and 2 is characterized in that also adding in the sealing glue pigment 1-5 part.
4. automobile hot melt butyl sealant according to claim 3 is characterized in that described pigment is a carbon black.
5. the manufacture method of the described automobile hot melt butyl sealant of claim 1 was moulded isoprene-isobutylene rubber experienced 50-70 minute earlier on kneader, added carbon 5 resins, polyisobutene, lime carbonate and pigment then, abundant mixing stirring.
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CN2010101178573A CN101781534B (en) | 2010-03-03 | 2010-03-03 | Automobile hot melt butyl sealant and manufacturing method thereof |
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CN2010101178573A CN101781534B (en) | 2010-03-03 | 2010-03-03 | Automobile hot melt butyl sealant and manufacturing method thereof |
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CN101781534A true CN101781534A (en) | 2010-07-21 |
CN101781534B CN101781534B (en) | 2012-06-06 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102115648A (en) * | 2011-03-02 | 2011-07-06 | 常州市江永化工有限公司 | Hot melt adhesive for car light and manufacturing method thereof |
CN102399521A (en) * | 2010-09-17 | 2012-04-04 | 成都硅宝科技股份有限公司 | Hot melt butyl sealant for hollow glass and manufacture method thereof |
CN102816535A (en) * | 2012-08-15 | 2012-12-12 | 烟台德邦科技有限公司 | Butyl hot melt adhesive tape and preparation method thereof |
CN102850964A (en) * | 2011-07-01 | 2013-01-02 | 上海渊信建筑材料有限公司 | Butyl sealant for flame-retardant hollow glass, and its preparation method |
CN103666331A (en) * | 2013-11-27 | 2014-03-26 | 常熟市赛蒂镶嵌玻璃制品有限公司 | Preparation process for hot-melt butyl sealant for hollow glass |
CN104761836A (en) * | 2015-04-10 | 2015-07-08 | 常州艾龙森胶带有限公司 | Butyl rubber for sealing and watertightness for automobile door |
CN105505240A (en) * | 2015-12-21 | 2016-04-20 | 保定市金月美工贸有限公司 | Butyl rubber sealing tape used for automobile and preparing method thereof |
CN107075316A (en) * | 2015-08-28 | 2017-08-18 | 住友电气工业株式会社 | Cladding pressure-sensitive adhesive sheet |
CN110375148A (en) * | 2019-07-01 | 2019-10-25 | 四川北尚新材料科技有限公司 | Flexible leak stoppage piece and its pressurized leak stoppage structure and blocking method for gas pipeline |
Citations (4)
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EP0410011A1 (en) * | 1988-02-25 | 1991-01-30 | Aica Kogyo Co., Ltd. | Holt melt type seal agent for a lamp |
CN1289812A (en) * | 2000-08-24 | 2001-04-04 | 李世荣 | Process for preparing sealing adhesive tape of colour butyl rubber |
CN1536047A (en) * | 2003-04-11 | 2004-10-13 | �й�ʯ��ï�����ͻ����ɷ�����˾ | Zinc-manganese battery sealing glue and preparation method thereof |
CN1687280A (en) * | 2005-06-03 | 2005-10-26 | 江苏工业学院 | New type hot-melt adhesive and preparation method thereof |
-
2010
- 2010-03-03 CN CN2010101178573A patent/CN101781534B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0410011A1 (en) * | 1988-02-25 | 1991-01-30 | Aica Kogyo Co., Ltd. | Holt melt type seal agent for a lamp |
CN1289812A (en) * | 2000-08-24 | 2001-04-04 | 李世荣 | Process for preparing sealing adhesive tape of colour butyl rubber |
CN1536047A (en) * | 2003-04-11 | 2004-10-13 | �й�ʯ��ï�����ͻ����ɷ�����˾ | Zinc-manganese battery sealing glue and preparation method thereof |
CN1687280A (en) * | 2005-06-03 | 2005-10-26 | 江苏工业学院 | New type hot-melt adhesive and preparation method thereof |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102399521A (en) * | 2010-09-17 | 2012-04-04 | 成都硅宝科技股份有限公司 | Hot melt butyl sealant for hollow glass and manufacture method thereof |
CN102399521B (en) * | 2010-09-17 | 2013-04-03 | 成都硅宝科技股份有限公司 | Hot melt butyl sealant for hollow glass and manufacture method thereof |
CN102115648A (en) * | 2011-03-02 | 2011-07-06 | 常州市江永化工有限公司 | Hot melt adhesive for car light and manufacturing method thereof |
CN102850964A (en) * | 2011-07-01 | 2013-01-02 | 上海渊信建筑材料有限公司 | Butyl sealant for flame-retardant hollow glass, and its preparation method |
CN102850964B (en) * | 2011-07-01 | 2015-04-15 | 上海渊信建筑材料有限公司 | Butyl sealant for flame-retardant hollow glass, and its preparation method |
CN102816535A (en) * | 2012-08-15 | 2012-12-12 | 烟台德邦科技有限公司 | Butyl hot melt adhesive tape and preparation method thereof |
CN102816535B (en) * | 2012-08-15 | 2014-05-28 | 烟台德邦科技有限公司 | Butyl hot melt adhesive tape and preparation method thereof |
CN103666331A (en) * | 2013-11-27 | 2014-03-26 | 常熟市赛蒂镶嵌玻璃制品有限公司 | Preparation process for hot-melt butyl sealant for hollow glass |
CN104761836A (en) * | 2015-04-10 | 2015-07-08 | 常州艾龙森胶带有限公司 | Butyl rubber for sealing and watertightness for automobile door |
CN107075316A (en) * | 2015-08-28 | 2017-08-18 | 住友电气工业株式会社 | Cladding pressure-sensitive adhesive sheet |
CN105505240A (en) * | 2015-12-21 | 2016-04-20 | 保定市金月美工贸有限公司 | Butyl rubber sealing tape used for automobile and preparing method thereof |
CN110375148A (en) * | 2019-07-01 | 2019-10-25 | 四川北尚新材料科技有限公司 | Flexible leak stoppage piece and its pressurized leak stoppage structure and blocking method for gas pipeline |
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Publication number | Publication date |
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Effective date of registration: 20170606 Address after: 311305, No. 5, building 501, block A, 958 Garden Road, Qingshan Lake Street, Zhejiang, Ling'an Patentee after: HANGZHOU HANGAO NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 311305, Crane Street, 12 Qingshan Lake Street, Zhejiang, Ling'an Patentee before: Linan Linyin Sealing Materials Co., Ltd. |